Just recently put on a set of 2.25 headers & non resonated test pipes with the stock catback exhaust and a cold air intake all at the same time and now my car feels like its actually lost hp!! What should i do now?

 

The only way to have known for sure was to have done a before and after dyno.

Air leaks in intake or exhaust could be causing the engine to be running bad and losing power. Diagnostics would reveal that.

Otherwise, start removing mods and see if it gets better

 

Step one: remove mods
step two: get baseline dyno
step three: reinstall mods
step four: uprev tune
share results

 

You typically lose low end torque , but gain high end. A tune is really needed to bring it all together.

 

As has been already in the comments,not tuned after you put your stuff on.
Ask any tuner from a Z shop with a great rep for results,there are tons of
cars like yours running around either with mods not installed correctly or,
(most likely),not having a tune done after you spent all your cash and labor
on the install.Your car is prolly running lean.You are near Atlanta.Give
Z1 a call.A tune is gonna cost roughly 600 bucks.
IMO,headers are a waste of time&money unless you are FI.

 

You need a tune. Can't just throw parts at a VQ and expect it to make gobs of power...